def show_injection_result(self):
"""Show if the injection was successfully started."""
state = self.dbus.get_state(self.selected_device)
if state == RUNNING:
msg = f'Applied preset "{self.selected_preset}"'
if custom_mapping.get_character(Key.btn_left()):
msg += ', CTRL + DEL to stop'
self.show_status(CTX_APPLY, msg)
self.show_device_mapping_status()
return False
if state == FAILED:
self.show_status(
CTX_ERROR, f'Failed to apply preset "{self.selected_preset}"')
return False
if state == NO_GRAB:
self.show_status(
CTX_ERROR, 'The device was not grabbed',
'Either another application is already grabbing it or '
'your preset doesn\'t contain anything that is sent by the '
'device.')
return False
# keep the timeout running
return True
def on_apply_preset_clicked(self, _):
"""Apply a preset without saving changes."""
self.save_preset()
if custom_mapping.num_saved_keys == 0:
logger.error('Cannot apply empty preset file')
# also helpful for first time use
if custom_mapping.changed:
self.show_status(
CTX_ERROR, 'You need to save your changes first',
'No mappings are stored in the preset .json file yet')
else:
self.show_status(CTX_ERROR,
'You need to add keys and save first')
return
preset = self.selected_preset
device = self.selected_device
logger.info('Applying preset "%s" for "%s"', preset, device)
if not self.button_left_warn:
if custom_mapping.dangerously_mapped_btn_left():
self.show_status(
CTX_ERROR, 'This would disable your click button',
'Map a button to BTN_LEFT to avoid this.\n'
'To overwrite this warning, press apply again.')
self.button_left_warn = True
return
if not self.unreleased_warn:
unreleased = reader.get_unreleased_keys()
if unreleased is not None and unreleased != Key.btn_left():
# it's super annoying if that happens and may break the user
# input in such a way to prevent disabling the mapping
logger.error(
'Tried to apply a preset while keys were held down: %s',
unreleased)
self.show_status(
CTX_ERROR, 'Please release your pressed keys first',
'X11 will think they are held down forever otherwise.\n'
'To overwrite this warning, press apply again.')
self.unreleased_warn = True
return
self.unreleased_warn = False
self.button_left_warn = False
self.dbus.set_config_dir(get_config_path())
self.dbus.start_injecting(device, preset)
self.show_status(CTX_APPLY, 'Starting injection...')
GLib.timeout_add(100, self.show_injection_result)
def test_dangerously_mapped_btn_left(self):
self.mapping.change(Key.btn_left(), '1')
self.assertTrue(self.mapping.dangerously_mapped_btn_left())
self.mapping.change(Key(EV_KEY, 41, 1), '2')
self.assertTrue(self.mapping.dangerously_mapped_btn_left())
self.mapping.change(Key(EV_KEY, 42, 1), 'btn_left')
self.assertFalse(self.mapping.dangerously_mapped_btn_left())
self.mapping.change(Key(EV_KEY, 42, 1), 'BTN_Left')
self.assertFalse(self.mapping.dangerously_mapped_btn_left())
self.mapping.change(Key(EV_KEY, 42, 1), '3')
self.assertTrue(self.mapping.dangerously_mapped_btn_left())
